反身代词在句子中的用法
1．作表语 She's not herself today. 她今天跟平常真是判若两人。
2．作宾语 Please help yourself to some fish. 请随便吃点鱼。
3．作介宾 I learned English by myself. 我自学英语。
4．作同位语 He can do that himself. 他自己能做那件事。
There be 有，表示存在。
There is+单数、不可数名词 There are+复数
“There be” 句型结构：
肯定句： “ There be+ 主语（某人 / 某物）+ 某地 There isa boy in the room.
否定句： “There be + not (any)+ 主语 + 某地 There aren't any books on the desk.
一般疑问句：“Be（is、are） there +(any)+ 主语 + 某地
“Yes ， there is / are.” “No, there isn't / aren't. ”
It +be
谈论天气 “ It's going to rain.” 说到时间 “It's time to go to school.”
距离远近 “It's far to get there.” 情况程度 “It's hard to learn.”
连词的用法
一、并列连词：
1. and 连接单词 My brother and I study in the same school.
连接短语 Our knowledge may come from the books and from practice.
连接句子 We are singing and they are dancing.
2. but 但是/而是 I have a pen but no pencil.
or 或者 Will you go there by bus or on foot?
3.nothing but 除了，只有 I did nothing but watch it.
4.or表示否则 Hurry up or you will be late.
5.for 表示因为 He is good at math for he studies harder than others.
6.still 表示后句概念由前句转折而来
The weather is very cold, still we needn’t wear more clothes.
7.not only…but also 不仅…而且 可并列主、谓、宾、表及句子
主语并列时，谓语要就近一致 Not only he but also I am a teacher.
8.as well as 以及，同样 并列单词、短语、句子。
并列主语时，动词要随前面的主语变化 He works as well as he can
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